Landscaping Business Permit Requirements in Seattle, WA

1. EIN (Employer Identification Number)

   Required if you have employees or operate as an LLC/corporation. Free from the IRS, obtained instantly online.

   Official government source

   Free·Immediate (online application)

   Free

   Immediate (online application)

1. Washington State Business License

   Required for most businesses operating in Washington - including any grossing $12,000 a year or more, collecting sales tax, hiring employees, or needing endorsements. Issued by the Department of Revenue through the Business License Application. Landscaping businesses register for the state B&O tax under the service classification.

   Official government source

   $50 Business License Application processing fee to open or reopen a business; $0 to add a location; $10 for any other change (hiring employees, registering a trade name, adding endorsements to an existing location); $5 annual renewal processing fee. Endorsement fees are charged in addition.·About 10 business days for online applications, plus another 2-3 weeks if city or state endorsements need approval; mailed applications can take up to 6 weeks.

   $50 Business License Application processing fee to open or reopen a business; $0 to add a location; $10 for any other change (hiring employees, registering a trade name, adding endorsements to an existing location); $5 annual renewal processing fee. Endorsement fees are charged in addition.

   About 10 business days for online applications, plus another 2-3 weeks if city or state endorsements need approval; mailed applications can take up to 6 weeks.

2. Washington Contractor Registration

   Required for any landscaping business that does construction work such as hardscaping, irrigation installation, grading, or retaining walls. Issued by the Washington State Department of Labor & Industries. You need a continuous contractor surety bond or assignment of savings, a general liability insurance policy, and workers' compensation coverage if you have employees. Specialty contractors may work only in their registered specialty and may not hire subcontractors.

   Official government source

   $150.20 registration fee, plus a continuous surety bond of $30,000 for general contractors or $15,000 for specialty contractors, and general liability insurance of $200,000 public liability and $50,000 property damage, or a $250,000 combined single limit. Bond premiums are set by the surety.·Applications mailed to L&I currently take 3-4 weeks after receipt to process and activate the registration; the registration card follows about 2 weeks later.

   $150.20 registration fee, plus a continuous surety bond of $30,000 for general contractors or $15,000 for specialty contractors, and general liability insurance of $200,000 public liability and $50,000 property damage, or a $250,000 combined single limit. Bond premiums are set by the surety.

   Applications mailed to L&I currently take 3-4 weeks after receipt to process and activate the registration; the registration card follows about 2 weeks later.

3. WA Dept of Agriculture Pesticide Applicator License

   Required if your landscaping business applies pesticides, herbicides, or certain fertilizers on customer property. The business licenses as a Commercial Applicator with the Washington State Department of Agriculture, and each employee who applies pesticides must hold a Commercial Operator license. You must pass the Laws & Safety exam plus a category exam, and show financial responsibility.

   Official government source

   $250/year Commercial Applicator license (first apparatus free, $27 for each additional apparatus) and $85/year per Commercial Operator. Financial responsibility is also required: liability insurance of $50,000 public liability and $50,000 property damage with a deductible no higher than $5,000, or a surety bond of at least $100,000.·2–4 weeks (exam scheduling)

   $250/year Commercial Applicator license (first apparatus free, $27 for each additional apparatus) and $85/year per Commercial Operator. Financial responsibility is also required: liability insurance of $50,000 public liability and $50,000 property damage with a deductible no higher than $5,000, or a surety bond of at least $100,000.

   2–4 weeks (exam scheduling)

1. Seattle Business License Tax Certificate

   Required for all businesses with operations or revenue in Seattle, issued by Seattle City Finance (License and Tax Administration) and renewed annually through FileLocal. The certificate is required regardless of revenue. Seattle B&O tax is owed only above $2,000,000 in annual Seattle taxable gross revenue (threshold raised from $100,000 effective January 1, 2026, with a new $2,000,000 standard deduction), but you must still file and report gross revenue each year. Businesses with $4,000 or less of Seattle revenue and no place of business in the city are exempt from the certificate requirement as of 2026.

   Official government source

   2026 annual fee by Seattle taxable revenue: $73 (under $20,000), $147 ($20,000-$499,999), $667 ($500,000-$1,999,999), $1,604 ($2,000,000-$4,999,999), $3,210 ($5,000,000 or more), plus $10 per branch location. Businesses starting July 1 or later pay half the first-year fee.·Filed online through FileLocal the certificate is usually printable within 2-3 business days; by mail it takes one to six weeks. All certificates expire Dec. 31 and must be renewed annually.

   2026 annual fee by Seattle taxable revenue: $73 (under $20,000), $147 ($20,000-$499,999), $667 ($500,000-$1,999,999), $1,604 ($2,000,000-$4,999,999), $3,210 ($5,000,000 or more), plus $10 per branch location. Businesses starting July 1 or later pay half the first-year fee.

   Filed online through FileLocal the certificate is usually printable within 2-3 business days; by mail it takes one to six weeks. All certificates expire Dec. 31 and must be renewed annually.

2. Seattle Building/Grading Permit

   Required for landscaping projects that change the existing grade by more than 4 feet vertically with more than 50 cubic yards moved, excavate or add more than 500 cubic yards, disturb 5,000 square feet or more of land, or add or replace 750 square feet or more of hard surface. Lower thresholds apply in shoreline districts and environmentally critical areas. Issued by SDCI. Ordinary landscaping usually needs no permit, and rockeries or retaining walls 4 feet or taller require a construction/building permit with the grading permit folded into it.

   Official government source

   Review is billed at the SDCI hourly rate of $292 an hour (2026 Fee Subtitle), with one hour due at your intake appointment and additional reviews such as geotechnical billed at the same rate. A technology fee is added to all fees.·SDCI can usually take in a complete application within 2-3 weeks. After intake, its goal is 2-4 weeks of initial review for simple or medium-complexity permits and 8-12 weeks for complex ones, and reviews can run longer depending on workload.

   Review is billed at the SDCI hourly rate of $292 an hour (2026 Fee Subtitle), with one hour due at your intake appointment and additional reviews such as geotechnical billed at the same rate. A technology fee is added to all fees.

   SDCI can usually take in a complete application within 2-3 weeks. After intake, its goal is 2-4 weeks of initial review for simple or medium-complexity permits and 8-12 weeks for complex ones, and reviews can run longer depending on workload.

Official Sources

• L&I Washington: Register as a Contractor
• WA Dept of Agriculture: Pesticide Applicator Licensing
• City of Seattle: Business License Tax Certificate
• Washington DOR: Apply for a Business License

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